کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9875888 | 1533453 | 2005 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Science and technology with nuclear tracks in solids
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کلمات کلیدی
Biological filtersThermochronology - ترموکرونولوژی Dosimetry - دزیمتریMicrofluidic devices - دستگاه های میکرو فلوئیدیCluster radioactivity - رادیواکتیو خوشهMagnetoresistive sensors - سنسورهای مغناطیسیParticle physics - فیزیک ذراتNuclear physics - فیزیک هسته ایFission track dating - قدمت آهنگ قاعدگیRadon mapping - نقشه برداری رادون
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
تشعشع
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Fission track dating has greatly expanded its usefulness to geology over the last 40 years. It is central to thermochronology-the use of shortened fission tracks to decipher the thermal history, movement, and provenance of rocks. When combined with other indicators, such as zircon color and (U-Th)/He, a range of temperatures from 40âC to 400âC can be studied. Combining fission track analysis with cosmogenic nuclide decay rates, one can study landscape development and denudation of passive margins. Technological applications have expanded from biological filters, radon mapping, and dosimetry to the use of ion track microtechnology in microlithography, micromachining by ion track etching, microscopic field emission tips, magnetic nanowires as magnetoresistive sensors, microfluidic devices, physiology of ion channels in single cells, and so on. In nuclear and particle physics, relatively insensitive glass detectors have been almost single-handedly responsible for our knowledge of cluster radioactivity, and plastic track detectors together with automated measuring systems have been used at the Bevalac, Brookhaven, CERN, and GSI, mainly to study fragmentation of high-energy heavy nuclei. Almost everything we know about the ultraheavy cosmic rays has been learned using Lexan on the Long Duration Exposure Facility and BP-1 phosphate glass on the Mir Station. New topics include development of calorimetric aerogels capable of measuring kinetic energies of hypervelocity interstellar and interplanetary dust grains in space and research on identification of strains of Bacillus spores by measurements of their size and swelling rates when humidified.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Radiation Measurements - Volume 40, Issues 2â6, November 2005, Pages 146-159
Journal: Radiation Measurements - Volume 40, Issues 2â6, November 2005, Pages 146-159
نویسندگان
P. Buford Price,